elements personnified: copper
symbol: Cu
atomic mass: 63.546 u ± 0.003 u
atomic number: 29
electron configuration: [Ar] 3d104s1
electronegativity: 1.9
elements personnified: copper
symbol: Cu
atomic mass: 63.546 u ± 0.003 u
atomic number: 29
electron configuration: [Ar] 3d104s1
electronegativity: 1.9
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